From 7c4e5533fb95574034de860105059996b5372013 Mon Sep 17 00:00:00 2001
From: Allen Byrne <byrn@hdfgroup.org>
Date: Tue, 13 Oct 2015 10:16:22 -0500
Subject: [svn-r28053] Change file generation from build time to cmake time.

---
 src/CMakeLists.txt | 54 +++++++-----------------------------------------------
 1 file changed, 7 insertions(+), 47 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ef3e760..4ebcb5e 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -780,37 +780,17 @@ set (H5_GENERATED_HEADERS
 option (HDF5_GENERATE_HEADERS "Rebuild Generated Files" ON)
 mark_as_advanced (HDF5_GENERATE_HEADERS)
 if (HDF5_GENERATE_HEADERS)
+  set_source_files_properties(${H5_GENERATED_HEADERS} PROPERTIES GENERATED TRUE)
   find_package (Perl)
   if (PERL_FOUND)
-    add_custom_command (
-        OUTPUT ${HDF5_SRC_DIR}/H5Edefin.h ${HDF5_SRC_DIR}/H5Einit.h ${HDF5_SRC_DIR}/H5Epubgen.h ${HDF5_SRC_DIR}/H5Eterm.h
-        PRE_BUILD
-        COMMAND ${PERL_EXECUTABLE}
-        ARGS ${HDF5_SOURCE_DIR}/bin/make_err ${HDF5_SRC_DIR}/H5err.txt
-        DEPENDS ${HDF5_SRC_DIR}/H5err.txt
-        COMMENT " Creating err header"
+    execute_process (
+        COMMAND ${PERL_EXECUTABLE} ${HDF5_SOURCE_DIR}/bin/make_err ${HDF5_SRC_DIR}/H5err.txt
     )
-
-    add_custom_command (
-        OUTPUT ${HDF5_SRC_DIR}/H5version.h
-        PRE_BUILD
-        COMMAND ${PERL_EXECUTABLE}
-        ARGS ${HDF5_SOURCE_DIR}/bin/make_vers ${HDF5_SRC_DIR}/H5vers.txt
-        DEPENDS ${HDF5_SRC_DIR}/H5vers.txt
-       COMMENT " Creating API version macro"
+    execute_process (
+        COMMAND ${PERL_EXECUTABLE} ${HDF5_SOURCE_DIR}/bin/make_vers ${HDF5_SRC_DIR}/H5vers.txt
     )
-
-    add_custom_command (
-        OUTPUT ${HDF5_SRC_DIR}/H5overflow.h
-        PRE_BUILD
-        COMMAND ${PERL_EXECUTABLE}
-        ARGS ${HDF5_SOURCE_DIR}/bin/make_overflow ${HDF5_SRC_DIR}/H5overflow.txt
-        DEPENDS ${HDF5_SRC_DIR}/H5overflow.txt
-        COMMENT " Creating Assignment overflow macro"
-    )
-
-    add_custom_target(run_perl_scripts ALL
-        DEPENDS ${HDF5_SRC_DIR}/H5Edefin.h ${HDF5_SRC_DIR}/H5Einit.h ${HDF5_SRC_DIR}/H5Epubgen.h ${HDF5_SRC_DIR}/H5Eterm.h ${HDF5_SRC_DIR}/H5version.h ${HDF5_SRC_DIR}/H5overflow.h
+    execute_process (
+        COMMAND ${PERL_EXECUTABLE} ${HDF5_SOURCE_DIR}/bin/make_overflow ${HDF5_SRC_DIR}/H5overflow.txt
     )
   else (PERL_FOUND)
     message (STATUS "Cannot generate headers - perl not found")
@@ -826,11 +806,6 @@ TARGET_C_PROPERTIES (H5detect STATIC " " " ")
 if (MSVC OR MINGW)
   target_link_libraries (H5detect "ws2_32.lib")
 endif (MSVC OR MINGW)
-if (HDF5_GENERATE_HEADERS)
-  add_dependencies(H5detect run_perl_scripts)
-else (HDF5_GENERATE_HEADERS)
-  add_dependencies(H5detect "${H5_GENERATED_HEADERS}")
-endif (HDF5_GENERATE_HEADERS)
 
 set (CMD $<TARGET_FILE:H5detect>)
 add_custom_command (
@@ -845,11 +820,6 @@ TARGET_C_PROPERTIES (H5make_libsettings STATIC " " " ")
 if (MSVC OR MINGW)
   target_link_libraries (H5make_libsettings "ws2_32.lib")
 endif (MSVC OR MINGW)
-if (HDF5_GENERATE_HEADERS)
-  add_dependencies(H5make_libsettings run_perl_scripts)
-else (HDF5_GENERATE_HEADERS)
-  add_dependencies(H5make_libsettings "${H5_GENERATED_HEADERS}")
-endif (HDF5_GENERATE_HEADERS)
 
 set (CMD $<TARGET_FILE:H5make_libsettings>)
 add_custom_command (
@@ -881,11 +851,6 @@ set_target_properties (${HDF5_LIB_TARGET} PROPERTIES
     FOLDER libraries
     INTERFACE_INCLUDE_DIRECTORIES "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/include>"
 )
-if (HDF5_GENERATE_HEADERS)
-  add_dependencies(${HDF5_LIB_TARGET} run_perl_scripts)
-else (HDF5_GENERATE_HEADERS)
-  add_dependencies(${HDF5_LIB_TARGET} "${HDF5_SRC_DIR}/H5Edefin.h;${HDF5_SRC_DIR}/H5Einit.h;${HDF5_SRC_DIR}/H5Epubgen.h;${HDF5_SRC_DIR}/H5Eterm.h")
-endif (HDF5_GENERATE_HEADERS)
 
 option (HDF5_ENABLE_DEBUG_APIS "Turn on debugging in all packages" OFF)
 if (HDF5_ENABLE_DEBUG_APIS)
@@ -914,11 +879,6 @@ if (BUILD_SHARED_LIBS)
       INTERFACE_INCLUDE_DIRECTORIES "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/include>"
       INTERFACE_COMPILE_DEFINITIONS H5_BUILT_AS_DYNAMIC_LIB=1
   )
-  if (HDF5_GENERATE_HEADERS)
-    add_dependencies(${HDF5_LIBSH_TARGET} run_perl_scripts)
-  else (HDF5_GENERATE_HEADERS)
-    add_dependencies(${HDF5_LIBSH_TARGET} "${HDF5_SRC_DIR}/H5Edefin.h;${HDF5_SRC_DIR}/H5Einit.h;${HDF5_SRC_DIR}/H5Epubgen.h;${HDF5_SRC_DIR}/H5Eterm.h")
-  endif (HDF5_GENERATE_HEADERS)
   if (HDF5_ENABLE_THREADSAFE)
     set_property (TARGET ${HDF5_LIBSH_TARGET}
         APPEND PROPERTY COMPILE_DEFINITIONS
-- 
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